METHOD OF REDUCING HYDRAULIC RESISTANCE IN TURBULENT FLOW Russian patent published in 2006 - IPC F17D1/16 F15D1/00 

Abstract RU 2288402 C1

FIELD: pipeline systems.

SUBSTANCE: method comprises introducing the anti-turbulent admixture into the flow to generate Toms effect. The critical Reynolds number above which the Toms effect is generated is determined from the equation Re ≥ Recr = (25.5d2RT/ν2ρMη)0.571, where Re is the Reynolds number of the flow, Recr is the critical Reynolds number above which the Toms effect is generated, d is the diameter of the pipeline, ν is the kinematical viscosity, R is the universal gas constant, T is the temperature, ρ is the density, M is the molecular mass of the polymer, and η is the characteristic viscosity.

EFFECT: enhanced efficiency.

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RU 2 288 402 C1

Authors

Rakhmatullin Shamil' Ismagilovich

Gumerov Asgat Galim'Janovich

Gareev Mursalim Mukhutdinovich

Manzhaj Vladimir Nikolaevich

Karamyshev Viktor Grigor'Evich

Dates

2006-11-27Published

2005-04-05Filed